| No. |
Part Name |
Description |
Manufacturer |
| 271 |
D174D |
2 edge-triggered D flip-flop, possibly equivalent SN7474N |
RFT |
| 272 |
D175D |
Quad memory flip-flop, possibly equivalent SN7475N |
RFT |
| 273 |
D181D |
16 bit memory (RAM), possibly equivalent SN7481N |
RFT |
| 274 |
D191D |
8 bit shift register, possibly equivalent SN7491N |
RFT |
| 275 |
D192D |
Synchronous up/down decimal counter, possibly equivalent SN74192N |
RFT |
| 276 |
D193D |
Synchronous forward/reverse binary counter, possibly equivalent SN74193N |
RFT |
| 277 |
D195D |
4 bit left-right shift register, possibly equivalent SN7495N |
RFT |
| 278 |
D200D |
4 NAND gates with 2 inputs each, TTL fast series, possibly equivalent SN74H00N |
RFT |
| 279 |
D201D |
4 NAND gates with 2 inputs each, collector open, TTL fast series, possibly equivalent SN74H01N |
RFT |
| 280 |
D204D |
6 inverters, TTL fast series, possibly equivalent SN74H04N |
RFT |
| 281 |
D210D |
3 NAND gates with 3 inputs each, TTL fast series, possibly equivalent SN74H10N |
RFT |
| 282 |
D220D |
2 NAND gates with 4 inputs each, TTL fast series, possibly equivalent SN74H20N |
RFT |
| 283 |
D230D |
1 NAND gate with 8 inputs, TTL fast series, possibly equivalent SN74H30N |
RFT |
| 284 |
D240D |
2 NAND gates with 4 inputs each, power gates, TTL fast series, possibly equivalent SN74H40N |
RFT |
| 285 |
D251D |
2 AND-NOR gates with 2 x 2 inputs each, TTL fast series, possibly equivalent SN74H51N |
RFT |
| 286 |
D254D |
1 AND-NOR gate with 3 x 2 and 1 x 3 inputs, TTL fast series, possibly equivalent SN74H54N |
RFT |
| 287 |
D274D |
2 edge-triggered D flip-flop, possibly equivalent SN74H74N |
RFT |
| 288 |
D345D |
BCD to 7 segment decoder driver with constant current outputs |
RFT |
| 289 |
D346D |
BCD to 7 segment decoder driver with constant current outputs |
RFT |
| 290 |
D347D |
BCD to 7 segment decoder driver with constant current outputs, possibly equivalent SN74LS247N |
RFT |
| 291 |
D348D |
BCD to 7 segment decoder driver with constant current outputs, possibly equivalent SN74LS247N |
RFT |
| 292 |
D394D |
Control circuit for chipped steppers motors and magnets |
RFT |
| 293 |
D395D |
Driver circuit for stepper motors and magnets |
RFT |
| 294 |
D410D |
3 drivers, short circuit proof, possibly equivalent SAA1029 |
RFT |
| 295 |
D461D |
2x driver for MOS memory, possibly equivalent SN75361N |
RFT |
| 296 |
D492D |
6 digit drivers, possibly equivalent SN75492N |
RFT |
| 297 |
D716X |
Control chip for the heating resistors of thermal prin heads |
RFT |
| 298 |
D718D |
16 bit serial parallel converter |
RFT |
| 299 |
DL000D |
4 NAND gates with 2 inputs each (TTL low-power Schottky series), possibly equivalent SN74LS00N |
RFT |
| 300 |
DL002D |
4 NOR gates with 2 inputs each (TTL low-power Schottky series), possibly equivalent SN74LS02N |
RFT |
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